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Old 27-09-15, 05:35 PM   #15
mikes2
4 ring whore!
Classic Audi Club Member
 
Join Date: Nov 2007
Location: Polmont
Posts: 2,617
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It's probably in the catalyst.

it will be a 22mm socket to undo it. Be prepared for a battle.
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1991 90 quattro 20v sport
1991 90 quattro
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